Slide-bearing.



W. A. FARLEY.

SLIDE BEARING.

APPLICATION man APR.1,1915.

Patented Mar. 14, 1916.

WILLIAM A. FARL'EY, 0F Smart-E., WASHINGTQN.

` SLIDE-BEARING.

`Specication of Letters Patent.

Patentedllar. 1st, 1916.

Applicaton'led April 1,1915. fSeria1No.18,579.

To `all cl2/1.0m 'timmy/.concern Be it lknown that I, WILLIAM A. FARLEY, a Kcitizen of the UnitedStates of America,

and a resident yof :the city ofSeattle, inlthe county of King and State yof 'VashingtoIn have invented certain new and `useful. Im-

Lprovements in Slide-Bearings, `of which the following is la specification. v

My invention relates to slide bearings,

`and I have shown ymy device as employed upon a. shingle machine of thatk type which are known to the trade as'linpiri-glit` machines, the` same employing a machine frame upon which is mounted 'for'horizontal reciprocatimi, a shingle-block-carrying frame so as to be capable of horizontal? reciprocation toward and vfrom :the cutting saw.

My invention comprises certain improvements in `the construction of 'the parts which the shingle-block-carr-ying frame 'is mounted for reciprocation upon the machine frame, whereby the joint between the two frames may be maintained with less slack, the wear may be taken up and such wear as occurs may be quickly and easily repaired.

The novel features of my invention will be hereinafter described in the specification and particularly defined in the claims ter-` minating this specification.

In the accompanying drawings I have shown my invention in the form of construction which is now preferred by me.

Figure 1 is a side elevation of one end of the machine frame showing the shingleblock-carrying frame thereon. Fig. 2 is a top plan view of the slipper or plate which is placed between one side of the shingleblock-carrying frame and the guide of the main frame for this same side. Fig. 3 is a side elevation of the same part with one end in section. Fig. 4: is a section on the line 4-4 of Fig. 1. Fig. 5 is a section on the line 5-5 of Fig. 1.

The type of machine upon which I have shown my invention as placed is that shown in patent to Burpee, No. 864,750 of Aug. 27, 1907. As the general type of this machine is well known, I have herein shown only the parts thereof which are directly related to my invention.

The frame l has an upper guide bar 10 and a lower guide bar 1l between which and guided upon which bars is placed the shingle-blook-carrying frame 2. krIhese'parts are of the saine construction and operate in .a manner identical with lthat shown and described in said patent, except as hereinafter stated. *The lower bar 2O of this reciprocating yframe 2, does not, in my invention ymake .direct contact with the guide ,bar 11 .but has a slipper plate 3 interposed .betweenthexn `rIhe guide bar 11, asherein shown, .is of square cross section having a tcorner `placed .upwardly and employs the two sides `adjacent to this corner as the frame guiding surfaces. It ris evident that thecrcss sectional shape of this guide is however, not a material feature. 'Between ytheslipper Stand kthebar 11 a layer 30 of rbearlnglmaterial, such for instance, as bab- ,bitt,-may be inserted. The slipper 3 as herein shown has an upwardly projecting bar or tongue'3l which yenters a correspond- -ing recess 21 in the frame 2. Two or more of these tongues 31 are preferably employedV upon each slipper.

I have herein shown the tongues or guide bars 31, as provided with a T-shaped slot 32 extending from their upper end surface downwardly. These are intended for the reception of a T-shaped head 40 of a bolt si, which bolt passes through a flange 22 which forms a part of the shingle-blockcarrying frame 2. When the slipper 3 has been adjusted so as to take up all slack, it may be secured in this adjusted position by tightening the clamping bolts 4t. Adjusting bolts #il are threaded through the upper part of the bar 2O of said frame, and bear upon the upper end surface of the tongue or guide bar 3l. By this or similar means accurate adjustment may be obtained.

In the construction of the machines as shown in the Burpee patent referred to, wheels are shown between the frame 2 and the bar 11. l/Vith this type of construction it is practically impossible to prevent the occurrence of a certain amount of slack. As a result of this the presentation of the block to the saw is likely to vary causing the tips of the shingles particularly to be either too thick or too thin, this sometimes resulting in what is known as feather tipped shingles, that is, the tip is reduced in places to nothing and this makes an irregular, ragged edge.

The construction herein shown and described makesit possible to maintain a tight v Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents.

bearing and to thus eliminate all slack, this resulting in the production of shingles of uniform dimensions and' character.

I preferto omit Vthe Babbitt lining 30,'

"in combination, a; stationary frame, a frame sliding thereon and having reciprocative guiding engagement With the stationary frame, one of the guide bearings between said frames containing a slipper having a guide stein extending in the plane of the sliding frame, this frame having a guiding Vsocket for the reception of said stem, and mea-ns for adjusting and holding said stein in a direction. Which is normal to the direction of reciprocation. l

2.111 a device of the character described, in combination, a stationary frame having guides for the sliding frame, said sliding .frame having guiding. engagement With 4said guides, a slipper interposed between the 4sliding frame and a guide and havinglz;v guide stems'eXtending toward the opposite bearing, the sliding frame having sockets for the reception of said Stems and means for adjusting said slipper toward its bearing member.

in a device ci' the character described,

'in combination, a stationary frame,a frame sliding thereon and having reciprocative guiding engagement with the stationary frame, one of the guidel bearings between said frames containing a slipper yhaving a guide stem extending in the plane of the sliding frame, this frame having a guiding socket for the reception of'said stem,meansy for adjustingsaid stein in a direction which is normal Vto the direction of reciprocation,

Washington, D. C. 

